diff --git a/include/ProductPage.php b/include/ProductPage.php
index ae26645..e9d23fe 100644
--- a/include/ProductPage.php
+++ b/include/ProductPage.php
@@ -80,7 +80,7 @@ class ProductPage extends Page {
                         'tags' => $tags,
                         'info' => $info);
         $label = '';
-        if(class_exists('QRcode', false)) {
+        if(class_exists('QRcode')) {
             $label = replace($fields, $this->fragments['product_label']);
         }
         $fields['label'] = $label;
diff --git a/include/QR.php b/include/QR.php
index 9525b65..b5663d3 100644
--- a/include/QR.php
+++ b/include/QR.php
@@ -10,7 +10,7 @@ class QR extends Responder {
     }
 
     public function render() {
-        if(class_exists('QRcode', false)) {
+        if(class_exists('QRcode')) {
             QRcode::svg((string)$this->product->get_serial());
         }
     }
diff --git a/index.php b/index.php
index 5ad5a7d..052c6b9 100755
--- a/index.php
+++ b/index.php
@@ -1,13 +1,14 @@
 <?php
 
-set_include_path(get_include_path().PATH_SEPARATOR.'include/');
 spl_autoload_register(function ($class) {
-    if($class == 'qrcode') {
+    if($class == 'QRcode') {
         include('./phpqrcode/qrlib.php');
+        return;
     }
+    include('./include/'.$class.'.php');
 });
 require('./config.php');
-require('functions.php');
+require('./include/functions.php');
 
 header('Content-Type: text/html; charset=UTF-8');